CVE-2019-7855 json
Magento 2 Community Cryptographic Flaw
published 7y ago modified 4mo ago also GHSA-2w26-gmqm-mc5p , EUVD-2022-2056
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.
Patch / fix
- packagist magento/community-edition 2.1.18, 2.2.9, 2.3.2
- magento magento 2.1.18, 2.2.9, 2.3.2
Is CVE-2019-7855 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | magento/community-edition | >=2.1.0, <2.1.18 >=2.2.0, <2.2.9 >=2.3.0, <2.3.2 |
2.1.18 2.2.9 2.3.2 |
Affected products
- n/a Magento 2
Classification
- Weakness
-
- CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
References
-
magento.com
/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-7855
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7855.yaml
web
-
github.com
/magento/magento2
package
-
web.archive.org
/web/20220121051916/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23
web
Sources
- CVE List CVE-2019-7855
- GitHub Advisory GHSA-2w26-gmqm-mc5p
- NVD CVE-2019-7855
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.